Ipomoea cairica |
Ipomoea longifolia |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
pink-throat morning glory |
|
Habit | Perennials. | Perennials, ± fleshy, rhizomatous. |
Stems | usually twining, sometimes trailing. |
usually trailing, rarely decumbent. |
Leaf | blades orbiculate to ovate, 30–100 × 30–100 mm overall, palmatisect, lobes 5 (proximal 2 sometimes 2-lobed), lance-elliptic, lanceolate, or lance-ovate, (5–)10–25(–70) × (3–)8–15(–30) mm, apex acute to obtuse, surfaces glabrous. |
blades lance-oblong, lanceolate, or linear, 100–120(–210) × 20–40 mm, base rounded, surfaces glabrous. |
Peduncles | glabrous; pedicels straight, 10–25 mm. |
glabrous. |
Flowers | sepals oblong to ovate, 4–6.5(–9) mm, outers slightly shorter than inners, chartaceous, margins scarious, apex obtuse to acute; corolla lavender-blue or white, throat purplish-red, funnelform, 45–60 mm. |
sepals oblong or ovate, 12–20 mm, outers 12–14(–17) × 6–7 mm, inners 15–20 × 7–8 mm, coriaceous, surfaces glabrous; corolla ± white, throat purple inside, funnelform, 70–100 mm, limb 70–80 mm diam. |
2n | = 30. |
|
Ipomoea cairica |
Ipomoea longifolia |
|
Phenology | Flowering Mar–Oct. | Flowering Apr–Sep. |
Habitat | Abandoned plantings, disturbed sites. | Desert grasslands, oak woodlands. |
Elevation | -20–200 m. (-100–700 ft.) | 900–1900 m. (3000–6200 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
AZ; Mexico
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Convolvulus cairicus | |
Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) | Bentham: Pl. Hartw., 16 — (as Ipomaea), 345. 1839 |
Web links |